– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Thu 11 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 11 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 11 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 13mm), heaviest on Sat night. Very mild (max 11°C on Sat morning, min 5°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 69mm), mostly on Sun night. Becoming colder with a light covering of snow, mostly falling on Tue night. Very mild (max 11°C on Mon afternoon, min 2°C on Tue night). Mainly fresh winds. | |||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  | | | |  |  | | |  | |  | |
light rain | light rain | light rain | light rain | light rain | rain shwrs | some clouds | cloudy | light rain | light rain | light rain | heavy rain | heavy rain | light rain | heavy rain | mod. rain | mod. rain | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | |
1.5 | 2 | 2 | 1.1 | 0.8 | 1.3 | — | — | 3 | 3 | 1 | 17 | 12 | 4 | 15 | 6 | 7 | 3 | |
max°C | 5 | 5 | 8 | 10 | 9 | 9 | 11 | 10 | 11 | 9 | 8 | 9 | 10 | 11 | 6 | 4 | 6 | 2 |
min°C | 5 | 5 | 6 | 9 | 9 | 8 | 9 | 10 | 8 | 8 | 8 | 8 | 9 | 10 | 4 | 3 | 5 | 2 |
4 | 5 | 6 | 8 | 9 | 7 | 8 | 9 | 6 | 6 | 6 | 5 | 6 | 7 | 1 | 0 | 0 | -3 | |
1300 | 1350 | 2300 | 2150 | 2150 | 2700 | 2950 | 2750 | 2450 | 2050 | 2250 | 2200 | 2550 | 2350 | 1100 | 1100 | 1550 | 750 | |
Cloud base (m) | 950 | 800 | 600 | 600 | 750 | 600 | 650 | 3100 | 700 | 600 | 700 | 550 | 550 | 550 | 550 | 500 | 550 | |
 | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 13mm), heaviest on Sat night. Very mild (max 11°C on Sat morning, min 5°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 69mm), mostly on Sun night. Becoming colder with a light covering of snow, mostly falling on Tue night. Very mild (max 11°C on Mon afternoon, min 2°C on Tue night). Mainly fresh winds.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.